linux-kernel - Re: [patch] ext2/3: document conditions when reliable operation is possible

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Date:	Tue, 25 Aug 2009 23:32:47 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Pavel Machek <pavel@....cz>
CC:	Ric Wheeler <rwheeler@...hat.com>, Theodore Tso <tytso@....edu>,
	Florian Weimer <fweimer@....de>,
	Goswin von Brederlow <goswin-v-b@....de>,
	Rob Landley <rob@...dley.net>,
	kernel list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, mtk.manpages@...il.com,
	rdunlap@...otime.net, linux-doc@...r.kernel.org,
	linux-ext4@...r.kernel.org, corbet@....net
Subject: Re: [patch] ext2/3: document conditions when reliable operation is
 possible

Pavel Machek wrote:

>> So, would you be happy if ext3 fsck was always run on reboot (at least  
>> for flash devices)?
> 
> For flash devices, MD Raid 5 and anything else that needs it; yes that
> would make me happy ;-).

Sorry, but that just shows your naivete.

Metadata takes up such a small part of the disk that fscking
it and finding it to be OK is absolutely no guarantee that
the data on the filesystem has not been horribly mangled.

Personally, what I care about is my data.

The metadata is just a way to get to my data, while the data
is actually important.

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